Index: includes/xmlrpc.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/xmlrpc.inc,v
retrieving revision 1.56
diff -u -r1.56 xmlrpc.inc
--- includes/xmlrpc.inc	14 Jan 2009 21:13:41 -0000	1.56
+++ includes/xmlrpc.inc	4 Mar 2009 00:16:55 -0000
@@ -163,6 +163,10 @@
     return FALSE;
   }
   $xmlrpc_message->_parser = xml_parser_create();
+  // replace characters that some versions of libxml2 and php will remove unnecessarily
+  $xmlrpc_message->message = str_replace('<','<', $xmlrpc_message->message );
+  $xmlrpc_message->message = str_replace('>','>', $xmlrpc_message->message );
+  $xmlrpc_message->message = str_replace('&','&', $xmlrpc_message->message );
   // Set XML parser to take the case of tags into account.
   xml_parser_set_option($xmlrpc_message->_parser, XML_OPTION_CASE_FOLDING, FALSE);
   // Set XML parser callback functions